AIRIS KIRA Series User Manual - page 58
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3G is the third generation of mobile phone standards and
technology. 3G enable users a wide range of more advanced
service while achieving greater network capacity through improved
spectral efficiency.
Press on the 3G icon
to bring the 3G application and then
press the hot key combination of “Fn + F2” to establish your default
3G connection.
To disconnect the SIM card from the
system, we suggest you to disabled the 3G connection by
pressing the “Fn + F2” to exit the 3G application.